ParameterInfo.Required 属性
Gets a value that indicates whether the current parameter is a required parameter. If this value is true, a value must be assigned before a project or package can be executed.
命名空间： Microsoft.SqlServer.Dts.Runtime
程序集： Microsoft.SqlServer.ManagedDTS（在 Microsoft.SqlServer.ManagedDTS.dll 中）
语法
声明
Public ReadOnly Property Required As Boolean
Get
用法
Dim instance As ParameterInfo
Dim value As Boolean
value = instance.Required
public bool Required { get; }
public:
property bool Required {
bool get ();
}
member Required : bool
function get Required () : boolean
属性值
类型：System.Boolean
true if the current parameter is a required parameter; otherwise, false.